KR101306681B1 - Vertical shaking surface treatment apparatus for metal parts - Google Patents

Abstract

The metal part surface treatment apparatus of this invention is a drive part which generate | occur | produces a driving force; And a transmission mechanism for converting the driving force from the driving unit into the vertical reciprocating motion. A barrel carrier that moves up and down through a vertical reciprocating motion transmitted from an electric mechanism; And a working barrel detachably mounted to the barrel carrier. As a plurality of polishing chips are loaded and a surface treatment solution is injected into the working barrel, and the working barrel swings up and down, a plurality of polishing chips and the surface treatment solution are subjected to the surface treatment of the small metal parts introduced into the working barrel. By performing the surface treatment of the upper and lower metal parts by the up-down rocking of the working barrel, the surface treatment effect can be increased with a simple configuration.

Description

Vertical oscillating metal parts surface treatment device {VERTICAL SHAKING SURFACE TREATMENT APPARATUS FOR METAL PARTS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface treatment apparatus for metal parts for small electronic devices. More specifically, the surface treatment effect of the upper and lower metal parts is performed by the up and down swing of the work barrel for surface treatment. It relates to a rocking metal part surface treatment apparatus.

Various kinds of small metal parts used as metal cases or bodies of small electronic devices such as mobile phones are usually manufactured by die casting.

However, die-cast metal parts have a release agent remaining on the surface and fine cracks, so they must be removed through surface treatment such as fine grinding. Surface treatment of such metal parts is usually performed by hand, which increases the processing time and cost. In addition, there is a problem in that the quality is not uniform because there is a work deviation due to the difference in skill.

Therefore, a method for overcoming such a problem is required, and as a part thereof, a surface treatment apparatus for metal parts has been developed.

The present invention has been made to solve the above problems of the prior art, the object of the present invention is to perform the surface treatment of the upper and lower metal parts by the up and down swing of the work barrel for the surface treatment to increase the surface treatment effect with a simple configuration It relates to a rocking metal part surface treatment apparatus.

In order to achieve the above object of the present invention, the metal component surface treatment apparatus of the present invention includes a drive unit for generating a driving force; And a transmission mechanism for converting the driving force from the driving unit into the vertical reciprocating motion. A barrel carrier that moves up and down through a vertical reciprocating motion transmitted from an electric mechanism; And a working barrel detachably mounted to the barrel carrier. As a plurality of polishing chips are loaded and a surface treatment solution is injected into the working barrel, and the working barrel swings up and down, a plurality of polishing chips and the surface treatment solution are subjected to the surface treatment of the small metal parts introduced into the working barrel.

According to an embodiment of the present invention, the driving unit, the power mechanism, and the barrel carriage may further include a housing.

According to an embodiment of the present invention, it can be fixed to the housing extending up and down to guide the vertical movement of the barrel carrier. Here, the barrel carrier may be installed on the side of the guide holder is fitted with a guide rod.

According to an embodiment of the present invention, the metal part surface treatment apparatus may further include a barrel holder mounted to the barrel carrier to detachably fix the working barrel. Here, the barrel holder may be detachably mounted to the barrel carrier. In addition, the barrel holder may be a pair of holder members and a barrel seating portion on which the barrel is seated may be formed on surfaces facing each other. The barrel seating portion can also be a plurality of concentric recesses or a plurality of separate recesses.

According to an embodiment of the present invention, the metal component surface treatment apparatus may further include a wheel mounted to the bottom of the housing.

The up-and-down rocking metal part surface treatment apparatus according to the embodiment of the present invention can increase the surface treatment effect with a simple configuration by performing the surface treatment of the up and down metal parts by the up and down swing of the working barrel. In addition, when the working barrel swings up and down, gravity is added to the inside thereof, so that friction can be increased to increase the surface treatment effect.

In addition, as a compact integrated device in which a motor, a power mechanism, a working barrel, etc. are mounted in the housing and a control panel is mounted on the outside of the housing, the device is improved in convenience and mobility. In addition, since the motor, the power mechanism, and the working barrel are mounted inside the housing, noise can be reduced. In addition, it is possible to further improve mobility by mounting the wheel on the bottom of the housing.

1 is a perspective view of a vertically rocking metal part surface treatment apparatus according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along line AA of the vertically rocking metal part surface treatment apparatus of FIG. 1.
3 is a perspective view of a state in which the outer wall of the vertically rocking metal part surface treatment apparatus of FIG. 1 is removed.
4 is a rear view of the vertically rocking metal part surface treatment apparatus of FIG. 3.
5 is a perspective view of a barrel carrier of the vertically rocking metal part surface treatment apparatus of FIG. 1.
6 is a front view of the barrel carrier of FIG. 5.
FIG. 7 is a front view illustrating the operation of the vertically rocking metal part surface treatment apparatus of FIG. 1. FIG.
It is a front view which shows the state in the barrel at the time of operating the up-down rocking-metal part surface treatment apparatus of FIG.

The surface treatment apparatus for surface treatment of various kinds of small metal parts used as a metal case or a main body of a small electronic device such as a mobile phone may have a form in which a screw or a wing is mounted inside a working barrel. That is, the surface treatment of a metal component can be performed by throwing an abrasive, a surface treatment solution, and a metal component into a working barrel, and stirring or rotating a surface treatment solution with a screw or a blade.

However, this can cause the metal parts to collide directly with the screws or wings, which can cause damage to the metal parts. In addition, the drive motor for rotating the screw or vane must be isolated from the surface treatment solution inside the working barrel. Therefore, it is required to seal the surface treatment solution from the inside of the working barrel through the shaft of the drive motor connected with the screw or the blade.

The problem foreseen can be solved by injecting the surface treatment solution and the abrasive into the working barrel together with the metal parts, and rocking the working barrel up and down using an external force to perform the surface treatment of the metal parts inside the working barrel. Therefore, the up-and-down rocking metal part surface treatment apparatus according to the present invention is configured to perform surface treatment on the metal part by swinging the work barrel up and down without installing a screw or a blade inside the work barrel.

EMBODIMENT OF THE INVENTION Hereinafter, with reference to an accompanying drawing, the Example of the up-and-down rocking-metal part surface treatment apparatus which concerns on this invention is described.

1 is a perspective view of a vertically rocking metal part surface treatment apparatus according to an embodiment of the present invention, Figure 2 is a cross-sectional view along line AA of the vertically rocking metal part surface treatment apparatus of Figure 1, Figure 3 is 4 is a perspective view of a state in which the outer wall of the vertically rocking metal part surface treatment apparatus is removed, FIG. 4 is a rear view of the vertically rocking metal part surface treatment apparatus of FIG. 3, and FIG. 5 is a vertically rocking metal part surface treatment apparatus of FIG. 1. Is a perspective view of the barrel carrier, and FIG. 6 is a front view of the barrel carrier of FIG.

1 to 6, the vertically rocking metal part surface treatment apparatus 100 according to the present exemplary embodiment may include a barrel carrier 140 inside the housing 102 and a motor 120 that is a driving unit for vertically swinging the same. And a transmission mechanism composed of a plurality of elements.

The housing 102 is composed of a plurality of plates for providing a space for installing the motor 120, the barrel carrier 140, and a power mechanism. That is, the housing 102 is comprised by a pair of side plate 104a, the upper plate 104b, the front plate 104c, the front inclination plate 104d, the bottom plate 104e, and the two upper and lower back plates 104f and 104g. On the other hand, inside the housing 102, an intermediate plate 108 having an opening 108a in the center thereof is fixed to the housing 102.

The pair of side plates 104a is formed in an "L" shape and a mirror-shaped "L" shape, and the remaining top plate 104b, front plate 104c, front inclined plate 104d, base plate 104e, and back plate 104f. , 104g) is in the form of a rectangle.

The front inclined plate 104d is equipped with a control panel 110 which may be composed of a display and a plurality of buttons.

A swing door 106 is mounted on the front upper portion of the housing 102. The door 106 is hinged to the housing 102, thereby opening the door 106 and mounting the working barrel 170 to the barrel pallet 140 inside the housing 102. Moreover, the transparent window is attached to the door 106 so that the inside of the housing 102 can be observed.

On the other hand, although not shown, by mounting a wheel on the bottom of the housing 102 can improve the mobility of the metal component surface treatment apparatus 100.

The motor 120 is a driving unit that generates a driving force, and is installed in the front of the housing 102. A support 122 is provided on the upper surface of the bottom plate 104e of the housing 102 to support the motor 120. The motor 120 is fixed to the support 122 by fasteners or screws.

The shaft 124 of the motor 120 is connected to the power mechanism. The transmission mechanism is for converting the rotational force (driving force) of the motor 120 into the vertical reciprocating motion, and is composed of a plurality of components.

The power mechanism consists largely of the crank 126 and the connecting rod 132. The crank 126 consists of a shaft 126a connected to the shaft 124 of the motor 120 and a half moon-shaped body 126b extending radially from a portion thereof. The crank pin 128 extends on one surface of the crank body 126b and a link 130 at one end of the connecting rod 132 is fitted around the crank body 126b so that the link 130 of the connecting rod 132 is not separated. A fixing bolt 134 is coupled to the end of the crank pin 128. Meanwhile, the other end of the connecting rod 132 is connected to the link 150 at the bottom of the barrel carrier 140.

In such a transmission mechanism, since the crank pin 128 is eccentrically formed from the shaft 126a, when the crank pin 126 rotates by the motor 120, the crank pin 128 is circled outside the shaft 126a. To rotate. Accordingly, the connecting rod 132 connected to the crank pin 128 rotates in one end (bottom) in a circle along the crank pin 128 and is connected to the link 150 of the barrel carriage 140. The other end (top) of the top and bottom will move up and down. In this way, the rotational force generated by the motor 120 is switched to the reciprocating motion in the vertical direction.

The barrel carrier 140 is a configuration for swinging the working barrel 170 up and down while reciprocating up and down according to the operation of the electric mechanism. The barrel carrier 140 has a rectangular box-like structure, and is formed by assembling a plurality of rectangular plates 142, and omits the plate to form an opening.

Two pairs of guide holders 152 are mounted on both sides of the barrel carriage 140, respectively. One guide rod 160 is fitted to the pair of guide holders 152 at intervals. All four guide rods 160 pass through the intermediate plate 108 and are fixed to the upper plate 104b and the bottom plate 104e.

With this configuration, the barrel carriage 140 is supported by the connecting rod 132 through the lower link 150 and supported by the guide rod 160 through the guide holder 152 on the side, and connecting When the rod 132 reciprocates up and down, it reciprocates up and down stably along the guide rod 160.

A pair of upper and lower barrel holders 144a and 144b may be mounted inside the barrel carrier 140, and a working barrel 170 may be fixed between the barrel holders 144a and 144b.

The upper barrel holder 144a is attached to the top plate of the barrel carrier 140 by the clamp 148 and may move up and down by the rotation of the clamp 148. The lower barrel holder 144b is fixed to the bottom plate of the barrel pallet 140. Of course, although not shown, it can be detachably mounted to the bottom plate of the barrel carrier 140 using fasteners such as fasteners or clamps similar to the clamp 148.

As shown in detail in FIGS. 5 and 6, the barrel seating portions 1460, 1462, and 1464, which are a plurality of concentric recesses, are formed on the upper surface of the lower barrel holder 144b. These barrel seating portions 1460, 1462, and 1464 are formed to fit the sizes of the various working barrels 170. Of course, the barrel seating portion of the same type is formed on the bottom surface of the upper barrel holder 144a.

In addition, although not shown, it is also possible to form a plurality of barrel seating portions separated from each other on the bottom surface of the upper barrel holder 144a and the upper surface of the lower barrel holder 144b.

Of course, as described above, since the lower barrel holder 144a can be detachably attached to the bottom plate of the barrel carrier 140, the upper and lower barrel holders having various shapes and number of barrel seating portions are formed in the form of the working barrel ( According to the size) and the number may be optionally mounted on the barrel carrier 140.

Referring to FIG. 6, the working barrel 170 is a cylindrical member into which a plurality of polishing chips 180 are inserted and surface treatment solution 182 (see FIG. 8) is injected. The working barrel 170 may be formed so that the bottom is blocked and an opening is formed in the top, so that the working barrel 170 is closed with a stopper (not shown).

The polishing chip 180 is for rubbing and polishing the surface of the small metal part introduced into the working barrel 170, and may be made of a metal such as SUS or a nonmetal material such as ceramic.

The metal part surface treatment apparatus 100 according to the present embodiment as described above is equipped with a motor 120, a power mechanism, a working barrel 170, and the like inside the housing 102 and controlled outside the housing 102. It is a compact unitary device equipped with the panel 110 is improved in ease of use and mobility. In addition, since the motor 120, the electric mechanism, the working barrel 170, and the like are mounted inside the housing 102, noise may be reduced. In addition, the wheel may be mounted on the bottom of the housing 102 to further improve mobility.

FIG. 7 is a front view showing the operation of the up-down rocking metal part surface treatment apparatus of FIG. 1, and FIG. 8 is a front view showing a state in the working barrel when the up-down rocking metal part surface treatment apparatus of FIG. 1 operates.

Hereinafter, the operation of the up-and-down rocking metal part surface treatment apparatus according to the present embodiment will be described with reference to FIGS. 1 to 6 preceding FIGS. 7 and 8.

First, the polishing chip 180 is introduced into the working barrel 170, the surface treatment solution 182 is poured, and then a plurality of metal parts 10 to be surface treated are introduced. Here, the metal part 10 refers to various kinds of small metal parts used as metal cases or bodies of small electronic devices such as mobile phones. The number of metal parts 10 can be adjusted according to the size ratio of the working barrel 170 and the metal parts 10, but usually 20-30 or more can be added to work.

Subsequently, power is applied to operate the motor 120 to rotate the crank 126. Then, the connecting rod 132 converts the rotary motion into a vertical reciprocating motion and transmits it to the upper barrel carrier 140. That is, as shown in FIG. 7, when the crank 126 rotates in the direction of the arrow A, the barrel carrier 140 reciprocates up and down in the direction of the arrow B. As shown in FIG. As a result, the working barrel 170 mounted on the barrel carrier 140 swings up and down to shake the polishing chip 182 and the surface treatment solution 182 therein. In this process, the polishing chip 180 and the surface treatment solution 182 apply surface impact energy to the surface of the metal part, thereby removing surface releasing agent or fine cracks remaining on the surface of the metal part 10. Will do the work.

Since the surface treatment of the metal part 10 is performed mechanically, it is possible to shorten the working time and reduce the cost. In addition, it is possible to reduce the defective rate and minimize the deviation of the work quality.

In addition, when the working barrel 170 swings up and down, gravity is added to the inside thereof, so that the polishing chip 180 moves faster in the direction of the arrow D, thereby increasing the friction effect.

10: metal parts
100: metal parts surface treatment unit
102: Housing
110: control panel
120: motor
126: crank
126a: shaft (of crank)
126b: main body (of crank)
132: connecting rod
140: barrel carrier
144a, 144b: barrel holder
148: clamp
152: guide holder
160: guide rod
170: working barrel
180: polishing chips
182: surface treatment solution
1460, 1462, 1464: barrel seat (of barrel holder)

Claims (10)

A driving unit generating a driving force; And
An electric mechanism for converting the driving force from the driving unit into a vertical reciprocating motion;
A barrel carrier that moves up and down through a vertical reciprocating motion transmitted from the power mechanism; And
A working barrel detachably mounted to the barrel carrier; And
Including,
A plurality of polishing chips are injected into the working barrel and a surface treatment solution is injected. As the working barrel swings up and down, the surface treatment of the small metal parts in which the plurality of polishing chips and the surface treatment solution are introduced into the working barrel is performed. Will perform
And upper and lower barrel holders mounted to upper and lower barrel carriers to detachably fix the working barrel, wherein the upper and lower barrel holders are detachably mounted to the barrel carrier, and the upper barrel holder is fastened by the clamp. It is attached to the top plate of the barrel carrier can be moved up and down by the rotation of the clamp, the lower barrel holder is fixed to the bottom plate of the barrel carrier,
The working barrel is formed of a cylindrical member having a bottom surface closed and an opening formed at an upper surface thereof, and the barrel holder is coupled to the upper and lower portions of the working barrel to seal the working barrel. A metal part surface treatment apparatus characterized by forming a plurality of concentric recesses. The metal part surface treatment apparatus according to claim 1, further comprising a housing in which the driving unit, the power mechanism, and the barrel carrier are embedded. The metal part surface treatment apparatus according to claim 2, wherein the metal component surface treatment apparatus extends up and down to guide the vertical movement of the barrel carrier. The metal part surface treatment apparatus according to claim 3, wherein the barrel carrier is provided with a guide holder fitted with a guide rod on a side surface. delete delete delete delete delete The apparatus of claim 2, further comprising a wheel mounted to the bottom of the housing.

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